List of Assassination Classroom episodes

Cover of the first DVD volume of Assassination Classroom released by Avex Pictures, featuring Nagisa Shiota, Karma Akabane, and Kaede Kayano.

Assassination Classroom is an anime series adapted from Yūsei Matsui's manga series of the same name, which is serialized in Shueisha's Weekly Shounen Jump magazine. The series follows Kunugigaoka Junior High School's Class 3-E as they attempt to assassinate their homeroom teacher, an octopus-like creature named Koro-sensei, before graduation, while also learning some valuable lessons from him. Produced by Lerche and directed by Seiji Kishi, the first season was broadcast in Japan on Fuji Television from January 9 to June 19, 2015. The series is licensed in North America by Funimation, who simulcast the subtitled version as it aired and streamed an English dub version from February 18, 2015. The opening theme for episodes 1-11 is "Seishun Satsubatsu-ron" (青春サツバツ論, "The Theory of Savage Youth") while the opening theme for episodes 12-22 is "Jiriki Hongan Revolution" (自力本願レボリューション, "Self-reliant Revolution"), both performed by 3-E Utatan. The ending theme is "Hello, shooting star" by Moumoon. A second season aired between January 7, 2016 and June 30, 2016 and was once again simulcast by Funimation, who began releasing the broadcast dub version from February 10, 2016. For the first fourteen episodes, the opening theme is "Question" by 3-E Utatan while the ending theme is "Kaketa Tsuki" (欠けた月, "Waning Moon") by Shion Miyawaki. From episodes 15-25, the opening theme is "Bye Bye Yesterday" (バイバイ YESTERDAY, Bai Bai Yesterday) by 3-E Utatan while the ending theme is "Mata Kimi ni Aeru no Hi" (また君に会える日, "Until the Day I See You Again") by Miyawaki. A compilation film of the series and an anime film based on the spin-off manga series, Koro-sensei Q! (殺せんせーQ!), released in Japan on November 19, 2016.

Prior to the television series, an original video animation produced by Brain's Base was screened at Jump Super Anime Tour in October 2013 and was bundled with the seventh manga volume on December 27, 2013. A second OVA episode, produced by the TV series staff, screened at Jump Special Anime Fest in November 2014 and was included with the series' first BD/DVD volume on March 27, 2015.

Episode list

Assassination Classroom (2015)

No.	English title Japanese title	Original air date
1	"Assassination Time" Transliteration: "Ansatsu no Jikan" (Japanese: 暗殺の時間)	January 9, 2015 (2015-01-09)
A tentacled creature of unknown origin destroys over seventy percent of the moon, and he announces that he will destroy the world in one year. Nonetheless, Ministry of Defense government worker Tadaomi Karasuma allows the creature to be the teacher of Kunugigaoka Junior High School's Class 3-E. The students are given weapons specially designed to hurt the creature and are offered a reward of ten billion yen to whoever can assassinate him before graduation. However, none of the students are able to assassinate him due to his Mach 20 speed. Class bully Ryōma Terasaka convinces Nagisa Shiota to wear a grenade filled with pellets. When the creature gets sleepy after assigning the students to write a poem, Terasaka detonates the grenade once Nagisa comes within close range of the creature, but the creature sheds his skin to protect himself and Nagisa from the blast. The creature threatens the other students to refrain from coming up with plans that will harm others. Kaede Kayano names the creature Koro-sensei, seeing him as an "unkillable teacher".
2	"Baseball Time" Transliteration: "Yakyū no Jikan" (Japanese: 野球の時間)	January 16, 2015 (2015-01-16)
While Koro-sensei is reading a newspaper, Nagisa encourages Tomohito Sugino to attempt to assassinate Koro-sensei by pitching a baseball embedded with pellets. However, Koro-sensei easily dodges the baseball and catches it with a baseball glove. Later after lunchtime, Sugino is downhearted when Koro-sensei crushes his dream of being a pro baseball star, but this is due to his wrists and elbows not being as flexible as they should be. Koro-sensei encourages Sugino to focus on his own strengths for future attempts of assassination. The students of Class 3-E fail to kill Koro-sensei, even when he deliberately ties himself to a tree branch. Karasuma joins Class 3-E as the physical education teacher, observing how the class is ridiculed by the other students of the school. Another student due to transfer into the class is informed of his mission.
3	"Karma Time" Transliteration: "Karuma no Jikan" (Japanese: カルマの時間)	January 30, 2015 (2015-01-30)
Karma Akabane transfers into Class 3-E following a suspension, managing to inflict some damage to Koro-sensei by giving a handshake with knife shards cleverly taped to his hand. While the students later take a quiz, Karma steals Koro-sensei's special gelato to get his attention, shooting him with an unloaded gun to catch him off guard. After hearing word from Nagisa that Koro-sensei worships the octopus, Karma leaves a dead octopus on Koro-sensei's desk. However, Koro-sensei cooks it into takoyaki to ridicule Karma. Throughout the day, Koro-sensei manages to anticipate every prank Karma tries to pull. As a last resort, Karma jumps off a cliff with a gun in hand, which would determine if Koro-sensei would risk his life for a student or would destroy his pride as a teacher. However, Koro-sensei manages to save Karma use his tentacles as a giant spiderweb, leading Karma to accept Koro-sensei as a teacher.
4	"Grown-Up Time" Transliteration: "Otona no Jikan" (Japanese: 大人の時間)	February 6, 2015 (2015-02-06)
The students of Class 3-E are introduced to their new foreign language teacher, Irina Jelavić, who is actually a professional Serbian assassin with no interest in teaching the students. After being seduced by her, Nagisa shares all of his notes about Koro-sensei's weak points to Irina. When Koro-sensei returns, Irina ropes him into the storage shed, so that her team of assassins can kill him. However, this fails as a result of using the wrong ammo on purpose and ignoring his keen sense of smell. Later, after the students of Class 3-E rebel against Irina when she refuses to teach them properly, Karasuma shows her how dedicated Koro-sensei is to teaching each of his students and how important education is for assassination. Realizing the error of her ways, Irina begins to earnestly teach her students, helping them learn the art of communication.
5	"Assembly Time" Transliteration: "Shūkai no Jikan" (Japanese: 集会の時間)	February 13, 2015 (2015-02-13)
Manami Okuda attempts to poison Koro-sensei, but to no effect. She has poor communication skills, but she has a passion for chemistry. Because of this, Koro-sensei offers to help Manami make an effective poison. However, it turns out to be a tonic that transforms him into a speedier liquid form, teaching Manami to improve her communication skills so she can successfully deceive him someday. Later, the students of Class 3-E are forced to travel from their old campus and head to the main campus to endure a school assembly. The students from others classes become envious due to the students of Class 3-E having Karasuma and Irina as cool teachers. Koro-sensei shows his support by disguising himself as a scholar, providing extra copies of handouts previously not given to Class 3-E. Afterwards, Nagisa manages to use his experiences in Class 3-E to handle himself against Nobuta Tanaka and Chōsuke Takada, two bullies from the main campus.
6	"Test Time" Transliteration: "Tesuto no Jikan" (Japanese: テストの時間)	February 20, 2015 (2015-02-20)
School principal Gakuhō Asano pays a visit to Class 3-E to greet Koro-sensei. Having noticed how Nagisa stood up to Nobuta and Chōsuke, Gakuhō tells Koro-sensei to adhere to his educational system, which requires Class 3-E to be at its poorest to encourage the other students. Noticing the students of Class 3-E only caring about the bounty reward rather than getting high grades, Koro-sensei issues the ultimatum of leaving and destroying the school, should any of the students fail to score well enough in the midterm exams to rank among the top fifty students. During the midterm exams, the students of Class 3-E use what they learned from Koro-sensei's teaching methods to tackle each question they come across. However, they are stopped in their tracks by questions that Gakuhō had added at the last minute without informing Class 3-E of the changes, resulting in none of the students other than Karma ranking among the top fifty students. Downhearted from underestimating Gakuhō, Koro-sensei receives some encouragement from his class and becomes determined to turn things around for the final exams.
7	"School Trip Time/1st Period" Transliteration: "Shūgakuryokō no Jikan: Ichi-Jikan-me" (Japanese: 修学旅行の時間・1時間目)	February 27, 2015 (2015-02-27)
The students of Class 3-E prepare for a field trip to Kyoto, which is also being used as a venue to assassinate Koro-sensei. The students are arranged into groups, in which Nagisa, Kaede, Karma, Sugino, Manami and class idol Yukiko Kanzaki agree to be in a group. On the train ride to Kyoto, high school male delinquents steal Yukiko's itinerary noting the group activities. On the next day, the group visits all the assassination landmarks, but they are ambushed by the male delinquents, who kidnap Kaede and Yukiko. Whilst in captivity, Yukiko laments to Kaede about her rebellious acts due to being raised in a strict family. Nagisa, Karma, Sugino and Manami manage to use an extensive guidebook written by Koro-sensei, which provides a thorough procedure for hostage situations, to deduce where Kaede and Yukiko are being held. Koro-sensei arrives to deal with the delinquents, while Nagisa and the others knock out the delinquents with their guidebooks. Following the incident, Yukiko is encouraged by Koro-sensei's words of wisdom, in which those with the will to drive forward will come out strong regardless of situation or status.
8	"School Trip Time/2nd Period" Transliteration: "Shūgakuryokō no Jikan: Ni-Jikan-me" (Japanese: 修学旅行の時間・2時間目)	March 6, 2015 (2015-03-06)
While the other groups are accompanying Koro-sensei on a tour of Kyoto, a sniper known as Red Eye is tasked with assassinating him at various spots. However, each of his attempts to shoot him are thwarted by improbable means, and his mission is called off when Nagisa's group gets into trouble with the high school male delinquents. Later that evening, Red Eye is approached by Koro-sensei himself, who treats Red Eye to a meal, thanking him for making the field trip a valuable learning experience for his students due to his assassination efforts. Red Eye, understanding Koro-sensei's morals as a teacher, decides to quit his job in order to explore the world. Back at their hotel, private time among the boys and girls eventually turns into a hunt for Koro-sensei when he eavesdrops on their gossips. Koro-sensei hides from the students, telling Karasuma that the students wanted him to talk about his past love life. As the field trip comes to a close, the world government prepares two special assassins to transfer into Class 3-E.
9	"Transfer Student Time" Transliteration: "Tenkōsei no Jikan" (Japanese: 転校生の時間)	March 13, 2015 (2015-03-13)
The students of Class 3-E are greeted by their first transfer student, an artificial intelligence from Norway known as the Autonomous Intelligence Fixed Artillery, who uses calculations to assess the best way to shoot Koro-sensei, managing to blow off one of his fingertips with her second barrage of gunfire. However, the students quickly gets sick of her constantly firing her weapons during class, deciding to tape them shut themselves so they can study properly. After class, Koro-sensei makes some modifications to the Autonomous Intelligence Fixed Artillery, giving her a more human personality. The next day, the students appreciate her more and nickname her Ritsu. Later that night, Ritsu's inventors are outraged with the changes and decide to remove all the modifications. However, Ritsu manages to hide her new personality from them before it is deleted, deciding to secretly defy her inventors for the sake of keeping her promise to help her classmates.
10	"L and R Time" Transliteration: "Eru Āru no Jikan" (Japanese: LRの時間)	March 20, 2015 (2015-03-20)
Irina is caught off guard by retired Russian assassin Lovro Brovski, her former master, who advises her to give up trying to kill Koro-sensei. Instead, Koro-sensei proposes a match between Irina and Lovro to see who will be the first to "kill" Karasuma with a rubber knife, offering Karasuma his own incentive should neither of them win. Despite Lovro's doubts after he fails to "kill" Karasuma himself, Irina manages to use what she has learned targeting Koro-sensei to get close, with Karasuma accepting defeat at her hands and Lovro acknowledging her efforts. Nagisa, Karma and Ritsu later agree to accompany Koro-sensei at Mach 20 speed on a trip to Hawaii to watch the premiere of a new movie, getting a lecture along the way and learning a lot more about Koro-sensei's point of view. On their way back, a man in a white cloak observes alongside a boy, the second transfer student who claims to be Koro-sensei's younger brother.
11	"Transfer Student Time/2nd Period" Transliteration: "Tenkōsei no Jikan: Ni-Jikan-me" (Japanese: 転校生の時間・2時間目)	March 27, 2015 (2015-03-27)
The students of Class 3-E prepare for the arrival of their second transfer student, who is allegedly more powerful than Ritsu. The man in the white cloak named Shiro enters the classroom and introduces the boy named Itona Horibe, who surprises the other students with his relation to Koro-sensei. When Itona faces against Koro-sensei later that day, Koro-sensei is overwhelmed by the fact that Itona possesses tentacles in his hair. While Shiro uses his knowledge of Koro-sensei's weaknesses to give Itona the advantage, Koro-sensei counterattacks with rubber knives to push Itona out of the ring, thereby winning the match. Itona goes berserk after seeing himself as weak, so Shiro knocks him unconscious and carries him out of the classroom. The students interrogate Koro-sensei about his true origins, but he remains tight-lipped, stating that they must continue their mission in order to find the answers that they seek. The students ask Karasuma to teach them more techniques, as they are determined to kill Koro-sensei before anyone else.
12	"Ball Game Tournament Time" Transliteration: "Kyūgi Taikai no Jikan" (Japanese: 球技大会の時間)	April 10, 2015 (2015-04-10)
As a baseball tournament is to be held, the male students of Class 3-E are forced to play an exhibition match against the top players of the boys baseball club. Despite knowing the odds are against them, particularly when pitted against baseball club captain Kazutaka Shindō, Koro-sensei is prompted to coach the students for the match. On the day of the match, the students of Class 3-E use a bunting strategy to load the bases, allowing Sugino to help the team get an early lead. Not willing to let this slide, Gakuhō takes over as the baseball club's coach to put a stop to the bunting strategy, using the power of hypnosis to turn Shindō into a bloodthirsty warrior. With the bases now loaded against Class 3-E, Karma uses previous provocations he made concerning some unfair play to his own advantage, placing himself and class president Yūma Isogai very close to Shindō, who breaks down from trying to swing his baseball bat without hurting them. This allows the students of Class 3-E to win the match. Afterwards, Sugino expresses how he wanted to show off the friends he made in Class 3-E, managing to rekindle his old friendship with Shindō.
13	"Talent Time" Transliteration: "Sainō no Jikan" (Japanese: 才能の時間)	April 17, 2015 (2015-04-17)
Karasuma evaluates the progress of the students during their training, but he briefly senses a fearsome aura, like that of a python, coming from Nagisa. Soon after, Karasuma's colleague Akira Takaoka is sent to Class 3-E to take over as the new physical education teacher. He initially uses a lightheaded personality to attract the students, but his true nature as a ruthless and sadistic instructor is soon unveiled. When Karasuma withholds Takaoka from torturing the students any longer, Karasuma is challenged to pick one of his star pupils to use a real knife in a match against Takaoka. Karasuma nominates Nagisa, who uses the assassination skills he learned from Karasuma. Nagisa manages to get the upper hand on Takaoka and wins the match. When Takaoka violently objects to defeat, Karasuma beats him back. Gakuhō arrives to fire Takaoka, and Karasuma returns to his position as the physical education teacher.
14	"Vision Time" Transliteration: "Bijon no Jikan" (Japanese: ビジョンの時間)	April 24, 2015 (2015-04-24)
Koro-sensei takes the students of Class 3-E to their own private pool that he made, but the students are alerted when Koro-sensei's tentacles swell up when soaked in water. Meanwhile, Terasaka becomes irritated when his friends Takuya Muramatsu and Taisei Yoshida are getting along with Koro-sensei. Terasaka agrees to collaborate with Shiro and Itona in their assassination plan, previously dropping a "bug bomb" in the classroom to excrete Koro-sensei's mucus and secretly adding a transmitter in the pool. Then, Terasaka gathers the other students in the pool, using a gun connected to the transmitter as a signal for Shiro and Itona. Instead, the transmitter sets off an explosion and puts the students in danger, forcing Koro-sensei to get his tentacles soaked in order to rescue the students from being swept away. Koro-sensei is left at the mercy of Itona, while Sumire Hara is hanging onto a tree branch nearby. Following Karma's plan, Terasaka uses his shirt still affected by the "bug bomb" to infect Itona, allowing Koro-sensei to rescue Hara whilst the other students splash water to halt Itona. Shiro and Itona are forced to withdraw yet again.
15	"End-of-Term Time" Transliteration: "Kimatsu no Jikan" (Japanese: 期末の時間)	May 1, 2015 (2015-05-01)
With the final exams approaching, Koro-sensei offers an incentive, in which each student who gets the best overall score in their top subject will get to shoot off one of his tentacles during their next assassination attempt. Meanwhile, Shindō informs the students of Class 3-E about Class 3-A's Big Five (Gakushū Asano, Teppei Araki, Ren Sakakibara, Natsuhiko Koyama and Tomoya Seo), who are all determined to take Class 3-E down. When Nagisa, Manami, Yukiko, Isogai and Rio Nakamura go to study in the main campus library, the Big Five proposes a contest, stating whichever class snags the most top spots in the exams can demand anything from the losing class. While Class 3-A sets their sights on making Class 3-E show complete servitude to them, Koro-sensei proposes his own suggestion of what Class 3-E can ask from their opponents. With both classes determined to win, the stage for the end-of-term final exams is set.
16	"School's Out/1st Term" Transliteration: "Shūgyō no Jikan: Ichi-gakki" (Japanese: 終業の時間・1学期)	May 8, 2015 (2015-05-08)
The students of Class 3-E and the students of Class 3-A fight against each other to slay the test problems before them, with the students of Class 3-E benefiting from Koro-sensei's unique teaching methods. When the results are revealed, Nakamura scores higher than Tomoya in English; Isogai scores higher than Gakushū in social studies; and Manami scores higher than Koyama in science. Koro-sensei shuns Karma for losing to Gakushū due to studying very little and being overconfident. Terasaka, Yoshida, Muramatsu and Kirara Hazama each earn an additional tentacle for scoring top marks in home economics, resulting in a total of seven tentacles overall. Having won the wager for the contest, the students of Class 3-E decide to use their reward, a summer vacation at an island resort in Okinawa, as the venue for their assassination attempt.
17	"Island Time" Transliteration: "Shima no Jikan" (Japanese: 島の時間)	May 15, 2015 (2015-05-15)
Prior to their trip, biologist Hinano Kurahashi helps Nagisa, Sugino and Hiroto Maehara hunt for bugs, while pervert Taiga Okajima shows them his own trap laid out for Koro-sensei using a pile of porn magazines. However, Kurahashi becomes fascinated when Koro-sensei spots a rare stag beetle worth a ton of yen. Later, Lovro is called in to help train the students for their island assassination, taking interest in the two top marksmen of the class, Ryūnosuke Chiba and Rinka Hayami. After telling Nagisa about the world's most infamous assassin known only as The Reaper, Lovro decides to teach Nagisa a surefire assassination technique. The students of Class 3-E soon arrive at their island resort, making all the necessary preparations for their assassination. After having dinner, during which Koro-sensei inadvertently uses up his emergency shedding technique to get rid of sunburn, the class begin their assassination attempt aboard an on-sea chapel.
18	"Action Time" Transliteration: "Kekkō no Jikan" (Japanese: 決行の時間)	May 22, 2015 (2015-05-22)
Koro-sensei is forced to watch an hour-long movie edited and narrated by Kōki Mimura exposing all of Koro-sensei's embarrassing habits, used as a distraction from the chapel slowly filling with water and bloating up his tentacles. Once the students of Class 3-E shoot off the seven tentacles, they surround and block Koro-sensei with a hydraulic cage, allowing Chiba and Hayami to snipe him. However, Koro-sensei activates his ultimate defense, trapping himself in an indestructible crystal sphere, which will last for one day despite his limited movements. As the students lament their failed assassination attempt, many of them suddenly and severely fall ill. This is revealed to be the work of a mysterious third party who had spiked their drinks with a supposedly deadly virus, demanding that the remaining students and teachers bring him the immobilized Koro-sensei in exchange for the antidote. Deciding against the trade-off, Koro-sensei and Ritsu instead come up with a plan to infiltrate the high-security hotel and obtain the antidote.
19	"Pandemonium Time" Transliteration: "Fukuma no Jikan" (Japanese: 伏魔の時間)	May 29, 2015 (2015-05-29)
Manami and Kōtarō Takebayashi stay behind to take care of the poisoned students. A team of fifteen healthy students along with Karasuma, Irina and Koro-sensei scale up a mountainside to sneak into the hotel undetected. With the first floor lobby area heavily monitored by bodyguards, Irina uses the art of seduction and her skills in playing the piano to distract the bodyguards, so that the others can reach the next floor. On the third floor central hall, the group comes across their first opponent named Smog, who is responsible for serving the spiked drinks to poison the students with the virus. Smog hits Karasuma with a canister of paralysis gas, but Karasuma still musters up the strength to knock out Smog. On the fifth floor scenic walkway, the group finds their next opponent named Grip. Not intimidated when Grip easily breaks a glass window with his fist, Karma makes up for his failure in the final exams and steps up to fight against Grip.
20	"Karma Time/2nd Period" Transliteration: "Karuma no Jikan: Ni-Jikan-me" (Japanese: カルマの時間・2時間目)	June 5, 2015 (2015-06-05)
After Karma dodges Grip with his fistful of grabs, Grip hits Karma with a canister of paralysis gas. However, Karma manages to cover his mouth with a handkerchief in time and hits Grip with another canister of paralysis gas, allowing the students to bind up Grip with duct tape and move onward with their mission. In order to unlock the back entrance to the stairs and reach the next floor undetected, Meg Kataoka has the female students dress up Nagisa as a girl, and they all make their way through the sixth floor lounge. A rich guy named Yūji Norita spots Nagisa and tries to impress by buying him a drink. However, when the girls call for Nagisa to leave with them, Yūji tries to stop them by dancing. Yūji ends up accidentally spilling a drink on a guest, prompting Hinata Okano to knock out the guest with a somersault kick before trouble arises. The students move on to the VIP floor, where Terasaka knocks out two bodyguards using some stun guns, obtaining two pistols that are given to Chiba and Hayami. Upon reaching a theater stage, the students face off against their next opponent named Gastro.
21	"Takaoka Time" Transliteration: "Takaoka no Jikan" (Japanese: 鷹岡の時間)	June 12, 2015 (2015-06-12)
Gastro, who has a keen sense of pinpointing enemy gunfire, turns on all the stage lights, in which the students are forced to hide behind the theater seats. Koro-sensei instructs the students using varying nicknames in order to confuse Gastro about the students' movements, giving Chiba and Hayami the encouragement to rise above their failed assassination and get the drop on Gastro. Koro-sensei deduces that the mastermind is not an assassin, while Nagisa learns that Terasaka secretly has been infected with the virus this whole time. The students finally arrive on the top floor and discover that the mastermind is none other than Takaoka. He takes the antidote concealed in a suitcase and brings the group up to the roof. Wanting revenge for being humiliated during their previous knife fight, Takaoka calls up Nagisa to the heliport for a rematch. Takaoka demands Nagisa to kneel before him and apologize for pulling a cheap trick during their match. Although Nagisa complies with this, Takaoka detonates the antidote right in front of the class. This makes Nagisa pick up a knife in preparation to kill Takaoka.
22	"Nagisa Time" Transliteration: "Nagisa no Jikan" (Japanese: 渚の時間)	June 19, 2015 (2015-06-19)
Before Nagisa completely gives into his anger, Terasaka throws a stun gun at him, urging him not to become a murderer and think about what is truly important. Despite being heavily beaten by Takaoka, Nagisa uses what he learned from Lovro to perform his secret technique. Nagisa drops the knife and surprises Takaoka with a sudden clap, just before using the stun gun to bring him to his knees. Then, Nagisa shocks Takaoka unconscious after leaving him with a fearsome smile. Smog, Grip and Gastro suddenly arrive and reveal that the virus they created is nothing more than temporary food poisoning, as they did not agree with Takaoka's harsh methods. The next day, the poisoned students recover from their symptoms and Koro-sensei emerges from his crystallized state. The students make the most of the remainder of their vacation before returning to school for the second term of their assassination classroom.

Assassination Classroom: Second Season (2016)

No.	Title	Original air date
1	"Summer Festival Time" Transliteration: "Natsumatsuri no Jikan" (Japanese: 夏祭りの時間)	January 7, 2016 (2016-01-07)
Before the summer vacation at the island resort comes to a close, Koro-sensei gives his students a test of courage inside a cave, pairing them up into couples in hopes of getting juicy gossip. Although this soon backfires, both Koro-sensei and the students quickly notice that Irina Jelavić has feelings towards Tadaomi Karasuma. Koro-sensei and the students decide to set up a romantic dinner for the two teachers to get them together. Irina kisses her napkin and places it on Karasuma's lips as a subtle confession before leaving, but Karasuma seems to be more focused on his duty rather getting her message. On the final day of summer vacation, Koro-sensei invites his students to the local summer festival. Meanwhile, Lovro Brovski is attacked by a mysterious assassin.
2	"Kaede Time" Transliteration: "Kaede no Jikan" (Japanese: カエデの時間)	January 14, 2016 (2016-01-14)
Inspired by an article on a surplus of eggs, Kaede Kayano comes up with a plan to assassinate Koro-sensei by constructing a giant caramel pudding containing a hidden bomb, with all the students banding together to help make it. While Koro-sensei inevitably sees through the plan and disables the bomb, he shares the remaining caramel pudding with his students. Later, the students participate in a game of Cops and Robbers, in which they must use parkour to avoid being captured by Karasuma, but the captives manage to use bribes to have Koro-sensei let them escape. The next day, the students accuse Koro-sensei of stealing underwear from all over the city, but they later suspect that he is being framed by someone. They soon discover the true culprit to be one of Karasuma's underlings, who had been used by Shiro to lure Koro-sensei into a trap, a cage made from fibers that can hurt him. Shiro once again pit Koro-sensei against Itona Horibe.
3	"Itona Horibe Time" Transliteration: "Horibe Itona no Jikan" (Japanese: 堀部糸成の時間)	January 21, 2016 (2016-01-21)
Despite Itona's increased deadliness, Koro-sensei manages to evade his attacks and defeat him. Just then, Itona starts reeling from the effects of his tentacle implants, which he had been keeping under control due to Shiro's treatments. Shiro leaves after deeming no further use of Itona, who later goes on a rampage and starts destroying cell phone shops. As Koro-sensei tries to reason with Itona, Shiro attacks Koro-sensei and capture Itona. Shiro lures Koro-sensei into another trap, but the students arrive on the scene to rescue Koro-sensei and Itona, forcing Shiro to retreat. The students soon learn that Itona was allegedly abandoned by his parents after their electronics company went bankrupt. After Takuya Muramatsu, Taisei Yoshida and Kirara Hazama each fail to cheer up Itona, Ryōma Terasaka manages to calm down Itona, allowing Koro-sensei to safely remove the tentacle implants and enroll him as an official student of Class 3-E.
4	"Spinning Time" Transliteration: "Tsumugu Jikan" (Japanese: 紡ぐ時間)	January 28, 2016 (2016-01-28)
Itona creates a prototype of a remote-controlled tank, which he plans to strike at Koro-sensei's heart as being the weak point. The other boys in the class suggest a fisheye lens and a camouflage design for the tank, but it later gets destroyed by a weasel. The girls soon figure out that the boys potentially wanted to use the tank to spy on them. Later, Masayoshi (Justice) Kimura feels embarrassment over his written name, Justice. The students are assigned code names by Koro-sensei during a training session against Karasuma, leaving Kimura assigned with his true name to show how well it fits him. Kimura is inspired by Koro-sensei to accept his true name, not by how it is written, but by how one is associated by it.
5	"Leader Time" Transliteration: "Rīdā no Jikan" (Japanese: リーダーの時間)	February 4, 2016 (2016-02-04)
Yūma Isogai secretly works part-time as a waiter at a restaurant, but he is soon discovered by Class 3-A's Big Five (Gakushū Asano, Teppei Araki, Ren Sakakibara, Natsuhiko Koyama and Tomoya Seo). Gakushū threatens that he will report Isogai to expulsion unless Class 3-E can beat Class 3-A in the sports festival's pole-toppling event. This turns out to be an unfair exhibition match since Gakushū has his team filled with powerful American foreign exchange students led by a boy named Kevin. Despite this, Isogai manages to come up with some unconventional countermeasures for his teammates and their use of unique skills against Kevin's group, eventually outwitting Gakushū and taking the victory.
6	"Before & After Time" Transliteration: "Bifō Afutā no Jikan" (Japanese: ビフォーアフターの時間)	February 11, 2016 (2016-02-11)
While preparing for their midterm exams, the students of Class 3-E perform parkour outside of school grounds. However, Taiga Okajima and Kimura accidentally fall on Matsukata, an elderly principal of Wakaba Park Nursery School, who was on his way there by bike. As a result, Koro-sensei bans the students from studying for the midterms and has them volunteer at the nursery school until Matsukata recovers from his injured right femur. While the other students help entertain the naughty children and renovate the decrepit nursery school, Nagisa Shiota mentors a bullied girl named Sakura Kiyashiki, teaching her to find the strength to return to primary school. After two weeks, Matsukata returns to see the nursery school completely transformed into a safe and fun environment. With no time left to study, the students perform badly in the midterms, yet Karma Akabane scores second place overall due to studying during the summer. Having learned their lesson of being careful in using their newfound strength, the students receive new equipment for their future assassination efforts.
7	"Reaper Time, Part 1" Transliteration: "Shinigami no Jikan Zenpen" (Japanese: 死神の時間 前編)	February 18, 2016 (2016-02-18)
The students of Class 3-E notice that Irina's birthday was a few days ago, so they go see a florist to arrange for Karasuma to give Irina a bouquet for the occasion. However, the mood is spoiled when Karasuma casts aside Irina's romantic interest for the good of the mission, leading her to storm off. After Irina stops showing up at school for a few days, the students are suddenly snuck up upon by the florist, revealing himself to be The Reaper, who tasks the students to rescue Irina from being bound and gagged inside a dungeon. The Reaper lures the students into his trap at a fortress, but they attempt to escape and find Irina. Some students are taken down by The Reaper one by one, and even Nagisa is thwarted by his clap stunner. Meanwhile, the remaining students manage to find Irina, but they discover that she has turned against them. As all of the students are recaptured, Koro-sensei and Karasuma begin their rescue attempt.
8	"Reaper Time, Part 2" Transliteration: "Shinigami no Jikan Kōhen" (Japanese: 死神の時間 後編)	February 25, 2016 (2016-02-25)
When Koro-sensei and Karasuma reach the fortress, The Reaper reveals that he has placed neck braces as explosives on the students. The Reaper manages to lock Koro-sensei with the students, planning to kill them all in a canal flood. Choosing to protect his students, Karasuma chases after The Reaper, who sets off an explosion that traps Irina under some rubble. Hinano Kurahashi encourages Karasuma to rescue Irina, who was taken in by Lovro after her parents were killed in a civil war when she was a child. The students manage to remove the neck braces in time and camouflage from being seen in the live camera feed. Karasuma gets the drop on The Reaper and confronts him in close quarters combat. After being shot by The Reaper with a hidden gun in his index finger, Karasuma is saved by one of Koro-sensei's tentacles, allowing Karasuma to deliver the knockout blow. Afterwards, the students convince Irina to return as their teacher, while Karasuma gets the government to ensure that the students will remain safe from other assassins pursuing the bounty.
9	"Round Two Time" Transliteration: "Ni-Shū-me no Jikan" (Japanese: 2周目の時間)	March 3, 2016 (2016-03-03)
As the students of Class 3-E are in the process of deciding on their future careers, Nagisa believes that he should become a professional assassin, but Koro-sensei tells him to give it some more thought. Nagisa comes home to his mother Hiromi Shiota, who urges Nagisa to move out of Class 3-E due to his poor grades and becomes hostile when Nagisa insists on staying in Class 3-E. On the next day, Koro-sensei agrees on Nagisa's behalf to impersonate Karasuma for a parent-teacher meeting with Hiromi, stating to her that Nagisa will not be allowed to leave Class 3-E unless solely desired. Unwilling to take no for an answer, Hiromi later drugs Nagisa when he eats dinner and drives him to the old campus. She tries to have him commit arson to the old campus in order to sever his connections with Class 3-E. However, they are interrupted by a whip-wielding hitman who is targeting Koro-sensei. Nagisa uses his assassination skills to take down the hitman and protect his mother. Choosing to pursue a different career, Nagisa decides to work hard to support Hiromi, who lets him stay in Class 3-E.
10	"School Festival Time" Transliteration: "Gakuen-sai no Jikan" (Japanese: 学園祭の時間)	March 10, 2016 (2016-03-10)
A school festival is held, and all the classes compete to make the most money in their dining stalls. The students of Class 3-E take advantage of their mountain location by using local ingredients to create dishes that prove a hit for customers of many familiar faces. Meanwhile, Gakushū and rest of the Big Five use music industry business sponsors to draw in customers. When Yūji Norita comes by for a visit, Rio Nakamura dresses up Nagisa like a girl. During their "date", Nagisa eventually reveals his true gender to Yūji. Impressed by Nagisa's honesty, Yūji posts about the dining stall on his food blog, causing an influx of customers on the next day. Koro-sensei advises his students to close their dining stall early to avoid disrupting the mountain's ecosystem with excessive foraging. Hiromi arrives to patch things up with Nagisa. In spite of closing early, Class 3-E comes in third place, just behind Class 3-A and high school.
11	"End-of-Term Time, 2nd Period" Transliteration: "Kimatsu no Jikan Ni-Jikan-me" (Japanese: 期末の時間 2時間目)	March 17, 2016 (2016-03-17)
With final exams approaching, Gakushū witnesses as Gakuhō Asano uses brainwashing tactics on Class 3-A to fuel their hatred towards Class 3-E. As Koro-sensei tasks the students of Class 3-E to make it into the top fifty, it is revealed that Gakuhō will be taking over the lessons for Class 3-A with his twisted educational methodology. Gakushū asks the students of Class 3-E to beat Gakuhō at his own academic game, but the students of Class 3-E already strive to do their best, perhaps better than Class 3-A. During the final exams, the students are faced with college-level questions added by Gakuhō, but the students of Class 3-E manage to get through them using techniques taught not only by Koro-sensei, but also each other.
12	"Think Outside the Box Time" Transliteration: "Kūkan no Jikan" (Japanese: 空間の時間)	March 24, 2016 (2016-03-24)
The final exams climax with a showdown between Karma and Gakushū as they tackle the last math problem, solving the volume of an atom inside a cube of a domain. Gakushū struggles to come up with complex formulae after reading the last half of the problem, but Karma discovers a simple formula after reading the first part of the problem. Following the final exams, Koro-sensei reveals that all of his students manage to land in the top fifty. After Gakushū and the rest of Class 3-A state their preference to the ideals of Class 3-E, Gakuhō takes matters into his own hands, threatening to destroy the old campus and sack Koro-sensei. In order to save the class and his job, Koro-sensei is tasked with solving five workbooks containing grenades that could hurt him, with one of those workbooks containing a real grenade.
13	"Let Live Time" Transliteration: "Ikasu Jikan" (Japanese: 生かす時間)	March 31, 2016 (2016-03-31)
Despite getting hit by the math workbook, Koro-sensei manages to finish other subject workbooks without setting them off, having memorized all the problems beforehand. Left with the final workbook containing the real grenade, Gakuhō recalls his time as a kindhearted elementary teacher at a private cram school for his students Rikuto Ikeda, Mori and Nakai. Three years after these students moved onto junior high school, Gakuhō was shocked to discover that Ikeda committed suicide as a result of bullying. This led Gakuhō to change his teaching approach from kindhearted to ruthless. In the present, Koro-sensei protects Gakuhō from the real grenade, revealing that he bases his teaching methods in Class 3-E on Gakuhō's old stance on education. Gakuhō reflects on this, allowing Class 3-E to continue and aiming to become a better educator and parent. Afterwards, Class 3-E puts on a unique play about Momotaro for the drama festival.
14	"Secret Identity Time" Transliteration: "Shōtai no Jikan" (Japanese: 正体の時間)	April 7, 2016 (2016-04-07)
Koro-sensei, Nagisa, and Kaede help to tidy up the storage shed, reminiscing over the past year together. Just then, Kaede suddenly attacks Koro-sensei with tentacles of her own, revealing her true identity to be Akari Yukimura, the younger sister of the previous teacher of Class 3-E, Aguri Yukimura. Believing Koro-sensei to be responsible for her sister's death, Kaede stole some tentacle serum from her sister's lab and arranged to join Class 3-E in order to exact her revenge, withstanding the pain of the tentacles while waiting for the right moment to strike. Kaede later puts her own life at risk to battle against Koro-sensei in a field of zebra grass, this time with the full strength of her flaming tentacles. Koro-sensei hears her inner voice, wishing to be saved.
15	"Confession Time" Transliteration: "Kokuhaku no Jikan" (Japanese: 告白の時間)	April 21, 2016 (2016-04-21)
Determined to save Kaede before the tentacles kill her, Koro-sensei asks his students to think of a way to make Kaede forget her bloodlust while he lets her attack his weak point. Nagisa decides to use what he learned from Irina and delivers a powerful French kiss to Kaede, shocking her long enough to allow Koro-sensei to safely remove her tentacles. Shiro, who suddenly appears with The Reaper, reveals his identity to be Kōtarō Yanagisawa, a face that Koro-sensei is all too familiar with. After Kaede recovers, Koro-sensei proceeds to tell the truth about his past, unveiling that he was The Original Reaper. Two years ago, The Reaper was captured by Yanagisawa and brought to a lab, where he met Aguri. As The Reaper underwent experimentation with Yanagisawa's tentacle formula, he became well acquainted with Aguri, revealing that he was captured after being betrayed by a pupil who would go on to become The Second Reaper.
16	"Past Time" Transliteration: "Kako no Jikan" (Japanese: 過去の時間)	April 28, 2016 (2016-04-28)
Over the course of a year, The Reaper's body continued to be altered by the experiment while his relationship with Aguri continued to grow stronger. Meanwhile, an experiment testing the effects of the tentacle formula on a rat proved disastrous, causing the explosion that destroyed seventy percent of the moon. Learning that the same thing may happen to him in a year's time, The Reaper unleashed his new powers in an attempt to escape from Yanagisawa's facility. As Aguri tried to keep him from leaving, she was fatally wounded by one of the facility's traps, asking him to watch over Class 3-E in her place. Devastated by Aguri's death, The Reaper wished to be weak and flawed, and his tentacles transformed him into the kindhearted teacher Koro-sensei. Back in the present, as the students are troubled over the thought of having to assassinate the teacher they had grown to admire, Nagisa states his desire to find a way to save Koro-sensei's life.
17	"Discord Time" Transliteration: "Bunretsu no Jikan" (Japanese: 分裂の時間)	May 5, 2016 (2016-05-05)
Kurahashi is the first among some students to agree with Nagisa's wish to save Koro-sensei, but Nakamura is the first among other students to speak out against it. After Karma expresses that Nagisa is being arrogant and selfish, Karma grabs onto Nagisa's tie, but Nagisa does a triangle choke on Karma before Koro-sensei arrives to mediate the situation. The students are divided into two opposing teams in a paintball match to determine whether to kill or save Koro-sensei, with victory being decided by either total elimination or flag capture. As the match begins, Karma's talent for formulating combat strategy gives the red "kill" team an early advantage over the blue "don't kill" team. However, Karma is uneasy upon realizing that Nagisa has been seeming absence throughout the battle. Nakamura, Terasaka, Muramatsu and Yoshida of the red team approach the flag of the decimated blue team, only to be suddenly eliminated by Nagisa alone in an instant.
18	"Outcome Time" Transliteration: "Kekka no Jikan" (Japanese: 結果の時間)	May 12, 2016 (2016-05-12)
With only the two of them remaining, Karma challenges Nagisa to fight him in a melee duel. Nagisa and Karma each reminisce of their past friendship during their first year at junior high school, but they slowly began to drift apart due to Karma's violent behavior and Nagisa's hidden aura. During the duel, both of them lose their knives, and Karma does an axe kick on Nagisa to take him down. However, Nagisa rises up to execute his clap stunner, yet Karma bites his tongue to withstand its effect. Nagisa manages to catch Karma in a triangle choke, leading Karma to admit defeat and declaring the blue team victorious. Later on, Class 3-E prepares to sneak aboard a rocket bound for the International Space Station in order to obtain data on how to save Koro-sensei.
19	"Outer Space Time" Transliteration: "Uchū no Jikan" (Japanese: 宇宙の時間)	May 19, 2016 (2016-05-19)
After training for their mission, Nagisa and Karma are chosen as the two pilots to be sent into space. Thanks to Ritsu infiltrating the security mainframe of the space center, Nagisa and Karma manage to sneak aboard the rocket in place of some crash test dummies as it lifts off into space. Arriving at the International Space Station, the pair manage to convince the astronaut crew members to share their data before returning safely to Earth. Upon inspecting the data, Manami Okuda tells the other students that the chance of Koro-sensei actually exploding is less than one percent with the help of a drug. Nonetheless, the students agree to continue their assassination attempts until graduation.
20	"Valentine's Day Time" Transliteration: "Barentain no Jikan" (Japanese: バレンタインの時間)	May 26, 2016 (2016-05-26)
As the students prepare for their entrance exams, Nagisa is led to consider becoming a teacher when having a conversation with Sakura during their tutoring session. Meanwhile, Karma and Nakamura notice that Kaede hesitates to give Nagisa a box of chocolates for Valentine's Day, so they show her how the other female students take on this approach to the other male students. However, when Kaede works up the courage to do so, she is ultimately unable to confess her feelings for him. Elsewhere, Karasuma and Irina have a date together, discussing the likelihood that Koro-sensei will not stop being targeted simply because of his reduced chance of exploding. Also, Gakuhō offers Koro-sensei to continue teaching the class during the next term, but Koro-sensei considers resignation instead. Karasuma suggests Irina to work for the government due to her expertise, and he hints that she should move in with him.
21	"Trust Time" Transliteration: "Shinrai no Jikan" (Japanese: 信頼の時間)	June 2, 2016 (2016-06-02)
Koro-sensei decides to compile a yearbook specifically for the students of Class 3-E, though the students are not particularly enthusiastic with the candid photos he has taken over the year. After another tutoring session with Sakura, Nagisa tells Koro-sensei that he wants to become a teacher during his final career counseling session. That night, the government begins executing their plan to assassinate Koro-sensei, trapping him in an inescapable laser barrier as they prepare to fire an orbital laser cannon in a week. With the media claiming that the students were being held hostage, Nagisa and the others spend the next few days devising a plan to reach the classroom and save Koro-sensei.
22	"Happy Birthday Time" Transliteration: "Happī Bāsudei no Jikan" (Japanese: ハッピーバースデイの時間)	June 9, 2016 (2016-06-09)
With three hours remaining until the orbital laser cannon is charged, Nagisa and the others begin infiltrating the mountain. Using their home turf to their advantage, the students knock out all the police troops guarding the area and reach Koro-sensei, who praises their efforts for coming so far despite the odds. He calmly shares words of wisdom to his students, preparing them for the road ahead. Just as Nakamura bring out a cake and all the students celebrate Koro-sensei's birthday, Yanagisawa appears on the scene with The Reaper, who has been powered up with tentacles. Koro-sensei looks back to when The Reaper used to be his apprentice, but he never gave The Reaper his approval as an assassin. While The Reaper battles Koro-sensei, Yanagisawa injects himself with the tentacle formula and attacks Koro-sensei as well.
23	"Final Boss Time" Transliteration: "Rasubosu no Jikan" (Japanese: ラスボスの時間)	June 16, 2016 (2016-06-16)
After struggling against both Yanagisawa and The Reaper, Koro-sensei takes further damage when Yanagisawa directs The Reaper to attack the students. Yanagisawa claims the students to be hindrances, but Koro-sensei defends his students, saying that they are his greatest gift as a teacher. Kaede attacks the Reaper, but is fatally injured in the process, seemingly sending Koro-sensei into a rage. However, his true expression turns out to be a mix of all of his emotions, giving him the power to kill both Yanasigawa and The Reaper, who had wanted to be acknowledged by his teacher all along. Afterwards, Koro-sensei, having managed to keep Kaede's blood safe during the battle, uses his skills to heal her injury and bring her back to life.
24	"Graduation Time" Transliteration: "Sotsugyō no Jikan" (Japanese: 卒業の時間)	June 23, 2016 (2016-06-23)
With Koro-sensei left weak from his battle against Yanasigawa and The Reaper, the students reluctantly but unanimously decide to kill him themselves. Held down by his beloved students, Koro-sensei says his farewell to Karasuma and Irina. Koro-sensei takes one final roll call, as he reminisces his great experience as a teacher. Although Nagisa shakes with his knife in hand, Koro-sensei calms him down, allowing Nagisa to deal the killing blow to the heart. Afterwards, the students check their classroom to find their diplomas, graduation albums and personalized guidebooks left behind by Koro-sensei.
25	"Future Time" Transliteration: "Mirai no Jikan" (Japanese: 未来の時間)	June 30, 2016 (2016-06-30)
With Karasuma's help, the students of Class 3-E attend the junior high school graduation ceremony, where Nagisa learns that Koro-sensei had helped his parents get back together. When the mass media shows up to try and interview the students of Class 3-E about the assassination, Gakushu and the rest of the Big Five help them leave safely. As time passes and the Class 3-E system is abolished, the students receive their reward money, setting aside some for living and education expenses, donating to the nursery school, purchasing the rights to the old campus and giving back to the government. Seven years later, several students get together to tidy up the old campus and discuss what everyone has been up to over the years. Meanwhile, Nagisa begins working as a trainee teacher at a municipal high school, using the skills he had learned from Koro-sensei to set his delinquent class straight.

OVAs

No.	Title	Original air date
OVA	"Jump Super Anime Tour Special"	October 6, 2013 (2013-10-06) (event) December 27, 2013 (DVD)
Class 3-E participate in a school trip to Kyoto, where they plan to make use of a sniper to assassinate Koro-sensei. After the class is divided into groups, Nagisa's group is ambushed by another school's delinquents, who knock out the boys and kidnap the girls. However, thanks to an elaborate guidebook that Koro-sensei had prepared for the trip, Nagisa and the others find their kidnapped classmates and hold off the delinquents until Koro-sensei arrives. Meanwhile, the sniper, Red Eye, having failed to assassinate Koro-sensei several times, ends up sharing a hot pot with him and gives up on his target.
0	"Meeting Time" Transliteration: "Deai no Jikan" (Japanese: 出会いの時間)	November 9, 2014 (2014-11-09) (event) March 27, 2015 (BD/DVD)
Koro-sensei reminisces about his first meeting with Karasuma, where they first butted heads and fought against each other, ultimately coming to respect one another. However, Karasuma tells him not to lie and points out that their actual meeting wasn't nearly as eventful.

Home media releases

Japanese

Avex Pictures has released the series on Blu-ray and DVD, in a limited edition, in Japan from March 27, 2015 to October 28, 2016.

Avex Pictures (Japan, Blu-ray & DVD)

Volume			Episodes	Release date	Ref.
	Season 1	1	1, 2	March 27, 2015
		2	3, 4, 5	April 24, 2015
		3	6, 7, 8	May 29, 2015
		4	9, 10, 11	June 26, 2015
		5	12, 13, 14	July 31, 2015
		6	15, 16, 17	August 28, 2015
		7	18, 19, 20	September 25, 2015
		8	21, 22	October 30, 2015
	Season 2	1	1, 2, 3	March 25, 2016
		2	4, 5, 6	April 29, 2016
		3	7, 8, 9	May 27, 2016
		4	10, 11, 12	June 24, 2016
		5	13, 14, 15	July 29, 2016
		6	16, 17, 18	August 26, 2016
		7	19, 20, 21	September 30, 2016
		8	22, 23, 24, 25	October 28, 2016

English

Funimation Entertainment has released the series on Blu-ray and DVD in North America, in a regular and a limited edition, since May 17, 2016.

Funimation Entertainment (North America, Blu-ray & DVD)

Volume			Episodes	Regular Edition release date	Limited Edition release date	Ref.
	Season 1	1	1–11	May 17, 2016	May 17, 2016
		2	12–22	August 16, 2016	August 16, 2016